<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>

    <link href="bootstrap.min.css" media="screen" rel="stylesheet">

</head>
<body>

<!-- Button trigger modal -->
<button type="button" class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal">
    打开示例对话框
</button>

<!-- Modal -->
<div  class="modal fade"  id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
    <div id="modalDialog" style="position: absolute;left: 200px;top: 200px;" class="modal-dialog" role="document">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
                <h4 class="modal-title" id="myModalLabel">可拖动窗口</h4>
            </div>
            <div class="modal-body">
               按住左键开始拖动吧
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-default" data-dismiss="modal">关闭</button>
            </div>
        </div>
    </div>
</div>


<script src="js/jquery-2.0.3.min.js"></script>
<script src="js/jquery-ui.min.js"></script><!--用户拖动元素，链接：http://api.jqueryui.com/draggable/#method-disable/-->
<!--<script src="jquery.ui.touch-punch.min.js"></script><!--移动设备用户拖动元素，依赖juery-ui.min.js，链接：http://touchpunch.furf.com/-->-->

<script src="js/bootstrap.min.js"></script>

<script>
    $(document).ready(function(){

        $("#modalDialog").draggable();//为模态对话框添加拖拽
        $("#myModal").css("overflow", "hidden");//禁止模态对话框的半透明背景滚动

    })
</script>

</body>
</html>
